Answer:
wispy
thin and weak
He must’ve been held back several grades, because he was the only sixth grader with acne and the start of a wispy beard on his chin.
pulverize
make into a powder by breaking up or cause to become dust
It’s weird being alone with a teacher, especially Mrs. Dodds. Something about the way she looked at the frieze, as if she wanted to pulverize it.
squall
sudden violent winds, often accompanied by precipitation
One of the current events we studied in social studies class was the unusual number of small planes that had gone down in sudden squalls in the Atlantic that year.